Home / 29,235,906.60-43,853,859.90-20,165,980.20

Finding the Fourth Proportional to 29,235,906.60, 43,853,859.90 and 20,165,980.20

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Solution

The fourth proportional to 29,235,906.60, 43,853,859.90 and 20,165,980.20 is: 30,248,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235,906.60 : 43,853,859.90 = 20,165,980.20 : x
  2. Step 2: Convert to fraction form
    29,235,906.60/43,853,859.90 = 20,165,980.20/x
  3. Step 3: Cross multiply
    29,235,906.60x = 43,853,859.90 × 20,165,980.20
  4. Step 4: Simplify right side
    29,235,906.60x = 884,356,070,436,973.88
  5. Step 5: Solve for x
    x = 884,356,070,436,973.88/29,235,906.60
  6. Step 6: Final answer
    x = 30,248,970.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.